Home / 4,172.91-5,758.61-2,405.54

Finding the Fourth Proportional to 4,172.91, 5,758.61 and 2,405.54

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Solution

The fourth proportional to 4,172.91, 5,758.61 and 2,405.54 is: 3,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.91 : 5,758.61 = 2,405.54 : x
  2. Step 2: Convert to fraction form
    4,172.91/5,758.61 = 2,405.54/x
  3. Step 3: Cross multiply
    4,172.91x = 5,758.61 × 2,405.54
  4. Step 4: Simplify right side
    4,172.91x = 13,852,550.21
  5. Step 5: Solve for x
    x = 13,852,550.21/4,172.91
  6. Step 6: Final answer
    x = 3,319.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.